Affichage de 1 à 20 de 281 articles

Scientists and ethicists have called for a five-year moratorium on editing human genes that will pass on to future generations. Yes, society needs to figure out how to proceed – but is this the best way?

Cows at the University of California, Davis beef research facility. Photo credit:
Alison Van Eenennaam/ University of California, Davis
26 février 2019

The question of whether a person can "become" Aboriginal after discovering ancestry through a DNA test is more complicated in Australia.

Some Harlequin ladybugs, Harmonia axyridis, have black elytra with two large red spots. Others have two additional red spots backwards, or are decorated with a dozen small red spots. Conversely, there are ladybugs with red elytra, decorated with 20 black spots. All these ladybugs belong to the same species.
B. Prud’homme, J. Yamaguchi
15 octobre 2018